Patents by Inventor Chen-Yu Liu
Chen-Yu Liu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20250259836Abstract: A method of forming a photoresist pattern includes forming an upper layer including a floating additive polymer over a photoresist layer formed on a substrate. The photoresist layer is selectively exposed to actinic radiation. The photoresist layer is developed to form a pattern in the photoresist layer, and the upper layer is removed. The floating additive polymer is a siloxane polymer.Type: ApplicationFiled: April 10, 2025Publication date: August 14, 2025Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Chen-Yu LIU, Ching-Yu CHANG, Chin-Hsiang LIN
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Patent number: 12374639Abstract: A method for forming a semiconductor structure is provided. The method includes forming a patterned photoresist layer over a substrate and removing the patterned photoresist layer using a photoresist stripping composition that is free of dimethyl sulfoxide. The photoresist stripping composition includes an organic alkaline compound including at least one of a primary amine, secondary amine, a tertiary amine or a quaternary ammonium hydroxide or a salt thereof, an organic solvent selected from the group consisting of a glycol ether, a glycol acetate, a glycol, a pyrrolidone and mixtures thereof, and a polymer solubilizer.Type: GrantFiled: May 27, 2022Date of Patent: July 29, 2025Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.Inventors: Tzu-Yang Lin, Chen-Yu Liu, Yung-Han Chuang, Ming-Da Cheng, Ching-Yu Chang
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Patent number: 12347727Abstract: The present disclosure provides example embodiments relating to conductive features, such as metal contacts, vias, lines, etc., and methods for forming those conductive features. In an embodiment, portions of an adhesion layer, barrier layer and/or seed layer is protected by a layer of an organic mask material as portions of the adhesion layer, barrier layer and/or seed layer are removed. The layer of organic mask material is modified to improve its resistance to penetration by wet etchants used to remove exposed portions of the adhesion layer, barrier layer and/or seed layer. An example modification includes treating the layer of organic mask material with a surfactant that is absorbed into the layer of organic mask material.Type: GrantFiled: May 5, 2022Date of Patent: July 1, 2025Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.Inventors: Tzu-Yang Lin, Chen-Yu Liu, Cheng-Han Wu, Ching-Yu Chang
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Publication number: 20250199412Abstract: A lithography method includes the following steps. A target layer is formed over a substrate. A photoresist composition is applied over the target layer to form a photoresist layer, wherein the photoresist composition comprises a metal-oxide based material. The photoresist layer is exposed to form an exposed region in the photoresist layer. A mixture is applied to the photoresist layer to develop the photoresist layer, wherein the step of applying the mixture to the photoresist layer increases a crosslinking density of the photoresist layer and increases a dissolution contrast of the photoresist layer during developing the photoresist layer by increasing a hydrophilicity of the exposed region. The target layer is etched using the photoresist layer as an etch mask.Type: ApplicationFiled: January 4, 2024Publication date: June 19, 2025Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Yuan Chih LO, Chen-Yu LIU, Cheng-Han WU, Ching-Yu CHANG
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Publication number: 20250155804Abstract: A photoresist composition comprises a solvent and a polymer. The polymer is dissolved in the solvent. The photoresist composition further comprises a first additive. The first additive is dissolved in the solvent. The first additive is made of a core structure and one or more radical-active functional groups connected to the core structure.Type: ApplicationFiled: November 14, 2023Publication date: May 15, 2025Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Min-Hung TSAI, Siao-Shan WANG, Chen-Yu LIU, Ching-Yu CHANG
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Publication number: 20250147424Abstract: A method includes illuminating radiation to a resist layer over a substrate to pattern the resist layer. The patterned resist layer is developed by using a positive tone developer. The patterned resist layer is rinsed using a basic aqueous rinse solution. A pH value of the basic aqueous rinse solution is lower than a pH value of the developer, and a rinse temperature of rinsing the patterned resist layer is in a range of about 20° C. to about 40° C.Type: ApplicationFiled: January 6, 2025Publication date: May 8, 2025Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.Inventors: Ming-Hui WENG, Chen-Yu LIU, Cheng-Han WU, Ching-Yu CHANG, Chin-Hsiang LIN
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Patent number: 12292684Abstract: A method is provided including forming a first layer over a substrate and forming an adhesion layer over the first layer. The adhesion layer has a composition including an epoxy group. A photoresist layer is formed directly on the adhesion layer. A portion of the photoresist layer is exposed to a radiation source. The composition of the adhesion layer and the exposed portion of the photoresist layer cross-link using the epoxy group. Thee photoresist layer is then developed (e.g., by a negative tone developer) to form a photoresist pattern feature, which may overlie the formed cross-linked region.Type: GrantFiled: December 7, 2020Date of Patent: May 6, 2025Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.Inventors: Chen-Yu Liu, Tzu-Yang Lin, Ya-Ching Chang, Ching-Yu Chang, Chin-Hsiang Lin
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Publication number: 20250139978Abstract: A vehicle violation detection method and vehicle violation detection system are provided. The method includes the following steps. A video clip including a plurality of consecutive frames is obtained, wherein the video clip is generated through photographing an intersection by an image capture device. A traffic sign object corresponding to a traffic sign and a license plate object corresponding to a license plate are detected from each of the frames. According to a sign position of the traffic sign object and a plate position of the license plate object in each of the frames, vehicle behavior information of each of the frames is obtained. By conducting regression analysis to the vehicle behavior information of each of the frames, whether a vehicle violation event has occurred is determined.Type: ApplicationFiled: November 9, 2023Publication date: May 1, 2025Applicant: National Chengchi UniversityInventors: Yan-Tsung Peng, Chen-Yu Liu, He-Hao Liao, Wei-Cheng Lien
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Patent number: 12222653Abstract: A method for forming a semiconductor device structure is provided. The method includes forming a resist layer over a material layer, the resist layer includes an inorganic material. The inorganic material includes a plurality of metallic cores and a plurality of first linkers bonded to the metallic cores. The method includes forming a modified layer over the resist layer, and the modified layer includes an auxiliary. The method includes performing an exposure process on the modified layer and the resist layer, and removing a portion of the modified layer and a first portion of the resist layer by a first developer. The first developer includes a ketone-based solvent having a substituted or unsubstituted C6-C7 cyclic ketone, an ester-based solvent having a formula (b), or a combination thereof.Type: GrantFiled: May 14, 2021Date of Patent: February 11, 2025Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Ming-Hui Weng, An-Ren Zi, Ching-Yu Chang, Chin-Hsiang Lin, Chen-Yu Liu
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Patent number: 12222654Abstract: A method includes illuminating radiation to a resist layer over a substrate to pattern the resist layer. The patterned resist layer is developed by using a positive tone developer. The patterned resist layer is rinsed using a basic aqueous rinse solution. A pH value of the basic aqueous rinse solution is lower than a pH value of the developer, and a rinse temperature of rinsing the patterned resist layer is in a range of about 20° C. to about 40° C.Type: GrantFiled: July 16, 2021Date of Patent: February 11, 2025Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.Inventors: Ming-Hui Weng, Chen-Yu Liu, Cheng-Han Wu, Ching-Yu Chang, Chin-Hsiang Lin
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Patent number: 12210283Abstract: A photoresist includes a core group that contains metal, and one or more first ligands or one or more second ligands attached to the core group. The first ligands each have a following structure: The second ligands each have a following structure: {circle around (M)} represents the core group. L? represents a chemical that includes 0-2 carbon atoms saturated by Hydrogen (H) or Fluorine (F). L represents a chemical that includes 1-6 carbon atoms saturated by H or F. L? represents a chemical that includes 1-6 carbon atoms saturated by H. L?? represents a chemical that includes 1-6 carbon atoms saturated by H or F. Linker represents a chemical that links L? and L?? together.Type: GrantFiled: May 22, 2023Date of Patent: January 28, 2025Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.Inventors: An-Ren Zi, Chen-Yu Liu, Ching-Yu Chang
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Publication number: 20240395582Abstract: A method of controlling a feedback control system of a semiconductor process chemical fluid in a storage tank includes performing a fluid quality measurement of fluid by a spectrum analyzer positioned adjacent to a dispensing port of the storage tank, and determining whether a variation in fluid quality measurement of the fluid is within an acceptable range. The method further includes in response to a variation in fluid quality measurement that is not within the acceptable range of variation in fluid quality measurement, automatically adjusting a configurable parameter of the semiconductor process chemical fluid in the storage tank to set the variation in fluid quality measurement of the fluid within the acceptable range.Type: ApplicationFiled: July 31, 2024Publication date: November 28, 2024Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Tzu-Yang LIN, Cheng-Han WU, Chen-Yu LIU, Kuo-Shu TSENG, Shang-Sheng LI, Chen Yi HSU, Yu-Cheng CHANG
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Publication number: 20240385514Abstract: A method of manufacturing a semiconductor device includes forming a photoresist layer over a substrate, including combining a first precursor and a second precursor in a vapor state to form a photoresist material, and depositing the photoresist material over the substrate. A protective layer is formed over the photoresist layer. The photoresist layer is selectively exposed to actinic radiation through the protective layer to form a latent pattern in the photoresist layer. The protective layer is removed, and the latent pattern is developed by applying a developer to the selectively exposed photoresist layer to form a pattern.Type: ApplicationFiled: July 26, 2024Publication date: November 21, 2024Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Ming-Hui WENG, Chen-Yu LIU, Chih-Cheng LIU, Yi-Chen KUO, Jia-Lin WEI, Yen-Yu CHEN, Jr-Hung LI, Yahru CHENG, Chi-Ming YANG, Tze-Liang LEE, Ching-Yu CHANG
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Publication number: 20240389213Abstract: A dispensing system includes a dispense material supply that contains a dispense material and a dispensing pump connected downstream from the dispense material supply. The dispensing pump includes a body made of a first electrically conductive material, one or more first electrical contacts that are disposed on the body of the dispensing pump, and one or more first connection wires that are coupled between each one of the one or more first electrical contacts and ground. The dispensing system also includes a dispensing nozzle connected downstream from the dispensing pump and includes a tube made of a second electrically conductive material, one or more second electrical contacts that are disposed on an outer surface of the tube, and one or more second connection wires that are coupled between each one of the one or more second electrical contacts and the ground.Type: ApplicationFiled: July 29, 2024Publication date: November 21, 2024Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Tzu-Yang LIN, Yu-Cheng CHANG, Cheng-Han WU, Shang-Sheng LI, Chen-Yu LIU, Chen Yi HSU
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Publication number: 20240371638Abstract: A method of forming a pattern in a photoresist includes forming a photoresist layer over a substrate, and selectively exposing the photoresist layer to actinic radiation to form a latent pattern. The latent pattern is developed by applying a developer composition to the selectively exposed photoresist layer to form a pattern. The developer composition includes a first solvent, a second solvent, a surfactant, and at least one selected from an organic acid, an organic base, an inorganic acid, or an inorganic base. The first solvent and second solvent are different solvents.Type: ApplicationFiled: July 12, 2024Publication date: November 7, 2024Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Ming-Hui WENG, An-Ren ZI, Ching-Yu CHANG, Chen-Yu LIU
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Patent number: 12135501Abstract: A method of manufacturing a semiconductor device includes forming a photoresist layer over a substrate, including combining a first precursor and a second precursor in a vapor state to form a photoresist material, and depositing the photoresist material over the substrate. A protective layer is formed over the photoresist layer. The photoresist layer is selectively exposed to actinic radiation through the protective layer to form a latent pattern in the photoresist layer. The protective layer is removed, and the latent pattern is developed by applying a developer to the selectively exposed photoresist layer to form a pattern.Type: GrantFiled: August 3, 2023Date of Patent: November 5, 2024Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Ming-Hui Weng, Chen-Yu Liu, Chih-Cheng Liu, Yi-Chen Kuo, Jia-Lin Wei, Yen-Yu Chen, Jr-Hung Li, Yahru Cheng, Chi-Ming Yang, Tze-Liang Lee, Ching-Yu Chang
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Publication number: 20240329535Abstract: A method of forming semiconductor device includes depositing a coating layer over a substrate, forming a photoresist layer over the coating layer, exposing the photoresist layer to actinic radiation, and developing the photoresist layer to form a patterned photoresist layer. The coating layer includes a polymer containing a first unit having a pendant hydrogen donor group capable of producing a hydrogen radical upon exposure to the actinic radiation or heat, and a second unit having a pendant water donor group capable of producing water upon exposure to the actinic radiation or heat.Type: ApplicationFiled: July 28, 2023Publication date: October 3, 2024Inventors: Yen-Yu KUO, An-Ren ZI, Chen-Yu LIU, Ching-Yu CHANG, Chin-Hsiang LIN
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Patent number: 12074025Abstract: A method of forming a pattern in a photoresist includes forming a photoresist layer over a substrate, and selectively exposing the photoresist layer to actinic radiation to form a latent pattern. The latent pattern is developed by applying a developer composition to the selectively exposed photoresist layer to form a pattern. The developer composition includes a first solvent having Hansen solubility parameters of 15<?d<25, 10<?p<25, and 6<?h<30; an acid having an acid dissociation constant, pKa, of ?15<pKa<5, or a base having a pKa of 40>pKa>9.5; and a second solvent having a dielectric constant greater than 18. The first solvent and the second solvent are different solvents.Type: GrantFiled: May 15, 2023Date of Patent: August 27, 2024Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Ming-Hui Weng, An-Ren Zi, Ching-Yu Chang, Chen-Yu Liu
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Publication number: 20230384675Abstract: A polymer composition comprises a polymer having a main chain and pendant photobase generator (PBG) groups, pendant thermal base generator (TBG) groups, or a combination of pendant PBG and pendant TBG groups.Type: ApplicationFiled: August 10, 2023Publication date: November 30, 2023Inventors: Ming-Hui WENG, Chen-Yu LIU, Ching-Yu CHANG
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Publication number: 20230375920Abstract: A method of manufacturing a semiconductor device includes forming a photoresist layer over a substrate, including combining a first precursor and a second precursor in a vapor state to form a photoresist material, and depositing the photoresist material over the substrate. A protective layer is formed over the photoresist layer. The photoresist layer is selectively exposed to actinic radiation through the protective layer to form a latent pattern in the photoresist layer. The protective layer is removed, and the latent pattern is developed by applying a developer to the selectively exposed photoresist layer to form a pattern.Type: ApplicationFiled: August 3, 2023Publication date: November 23, 2023Inventors: Ming-Hui WENG, Chen-Yu LIU, Chih-Cheng LIU, Yi-Chen KUO, Jia-Lin WEI, Yen-Yu CHEN, Jr-Hung LI, Yahru CHENG, Chi-Ming YANG, Tze-Liang LEE, Ching-Yu CHANG